HONOR 400 Smart 4G vs Motorola Moto G15

Our Verdict: This comparison tilts toward HONOR 400 Smart 4G over Motorola Moto G15 for core hardware: HONOR 400 Smart 4G gives you the larger screen at 6.77" versus 6.72"; HONOR 400 Smart 4G lists the larger battery at 6,500 mAh versus 5,200 mAh; HONOR 400 Smart 4G is lighter at 189 grams versus 203 grams. There are still reasons to choose Motorola Moto G15: Motorola Moto G15 has the sharper display at 392 PPI versus 261; Motorola Moto G15 has the higher-resolution selfie camera at 8 Megapixels versus 5 Megapixels. HONOR 400 Smart 4G is the performance-and-features choice, while Motorola Moto G15 is the cost-conscious alternative.

If you'd rather pay up front, the Moto G 15 is the cheaper buy at £97 SIM-free.

HONOR 400 Smart 4G HONOR 400 Smart 4G vs Motorola Moto G15 Motorola Moto G15
Screen
6.77" 6.72"
Display
TFT LCD IPS LCD
Resolution
720 x 1610 1080 x 2400
Pixels Per Inch
261 392
Rear Camera
50 Megapixels 50 Megapixels
Front Camera
5 Megapixels 8 Megapixels
Chipset
Qualcomm SM6375 Snapdragon 6s Gen 3 (6 nm) Mediatek Helio G81 Extreme (12 nm)
Battery
6,500 mAh 5,200 mAh
Storage
128GB 128GB
OS
Android Android
SIM Type
Nano SIM + Nano SIM Nano SIM
Connectivity
Up to 4G Up to 4G
Wi-Fi
802.11 a/b/g/n/ac 802.11 a/b/g/n/ac
Bluetooth
5.1 with A2DP, LE 5.0, A2DP, LE
Dimensions
166.9 x 76.8 x 8.4 mm 165.7 x 76 x 8.8 mm
Weight
189 grams 203 grams
Water Resistance
IP64 dust tight and water resistant (water splashes) IP54, dust and splash resistant
Contracts
- £8.99/mo (£9.00 upfront)
SIM-free
£149.00 £97.00

Prices updated 27 July 2026

Deals Deals
HONOR 400 Smart 4G HONOR 400 Smart 4G Motorola Moto G15 Motorola Moto G15
Screen 6.77" 6.72"
Display TFT LCD IPS LCD
Resolution 720 x 1610 1080 x 2400
Pixels Per Inch 261 392
Rear Camera 50 Megapixels 50 Megapixels
Front Camera 5 Megapixels 8 Megapixels
Chipset Qualcomm SM6375 Snapdragon 6s Gen 3 (6 nm) Mediatek Helio G81 Extreme (12 nm)
Battery 6,500 mAh 5,200 mAh
Storage 128GB 128GB
OS Android Android
SIM Type Nano SIM + Nano SIM Nano SIM
Connectivity Up to 4G Up to 4G
Wi-Fi 802.11 a/b/g/n/ac 802.11 a/b/g/n/ac
Bluetooth 5.1 with A2DP, LE 5.0, A2DP, LE
Dimensions 166.9 x 76.8 x 8.4 mm 165.7 x 76 x 8.8 mm
Weight 189 grams 203 grams
Water Resistance IP64 dust tight and water resistant (water splashes) IP54, dust and splash resistant
Contracts - £8.99/mo
£9.00 upfront
SIM-free £149.00 £97.00
Prices updated 27 July 2026
Deals Deals

Cheapest Deals

HONOR 400 Smart 4G
HONOR 400 Smart 4G

128GB

Black

Refurbished

From £149

Motorola Moto G15
Motorola Moto G15

24 Months

128GB

Tornedo

25GB

Data

Unlimited

Unlimited

£8.99 per month, £9 upfront.

Frequently Asked Questions

Which has the better screen, the HONOR 400 Smart 4G or Motorola Moto G15?

Both phones have a similar screen size at around 6.8", the Motorola Moto G15 has the sharper display at 392 pixels per inch versus 261, and the HONOR 400 Smart 4G uses a TFT LCD panel while the Motorola Moto G15 has a IPS LCD.

Which has the better camera, the HONOR 400 Smart 4G or Motorola Moto G15?

The HONOR 400 Smart 4G features a 50 Megapixels rear camera, while the Motorola Moto G15 has a 50 Megapixels rear camera. Both devices also have front-facing cameras for selfies and video calls.

Which is cheaper to buy SIM-free, the HONOR 400 Smart 4G or Motorola Moto G15?

The Motorola Moto G15 is cheaper SIM-free, starting from £97.00.

What storage options are available for the HONOR 400 Smart 4G and Motorola Moto G15?

The HONOR 400 Smart 4G is available in 128GB, while the Motorola Moto G15 comes in 128GB.

What processors do the HONOR 400 Smart 4G and Motorola Moto G15 use?

The HONOR 400 Smart 4G is powered by the Qualcomm SM6375 Snapdragon 6s Gen 3 (6 nm), while the Motorola Moto G15 uses the Mediatek Helio G81 Extreme (12 nm).

Which is easier to carry and hold, the HONOR 400 Smart 4G or Motorola Moto G15?

It's a trade-off: the HONOR 400 Smart 4G is lighter but the Motorola Moto G15 is more compact. It's 14g lighter at 189 grams, though the Motorola Moto G15 is actually the more compact phone at 165.7 x 76 x 8.8 mm, the HONOR 400 Smart 4G is slimmer at 8.4mm thick.

Which is more water resistant, the HONOR 400 Smart 4G or Motorola Moto G15?

The HONOR 400 Smart 4G is rated IP64 dust tight and water resistant (water splashes), while the Motorola Moto G15 is rated IP54, dust and splash resistant.

What operating system do the HONOR 400 Smart 4G and Motorola Moto G15 run?

Both phones run Android.